With how things are in the world today, how the left is Christianophobic, and shunning almost anything to do with Christmas, it brings up the question.
What is Christmas?
Personally, I can’t give a better answer than what was already given in a popular Christmas cartoon.
https://www.youtube.com/watch?v=DKk9rv2hUfA
If that doesn’t answer your question, then you are expecting something else which doesn’t exist.